
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
import * as zrUtil from 'zrender/lib/core/util.js';
import { normalizeToArray } from '../../util/model.js';
var DEFAULT_TOOLBOX_BTNS = ['rect', 'polygon', 'keep', 'clear'];
export default function brushPreprocessor(option, isNew) {
	var brushComponents = normalizeToArray(option ? option.brush : []);

	if (!brushComponents.length) {
		return;
	}

	var brushComponentSpecifiedBtns = [];
	zrUtil.each(brushComponents, function (brushOpt) {
		var tbs = brushOpt.hasOwnProperty('toolbox') ? brushOpt.toolbox : [];

		if (tbs instanceof Array) {
			brushComponentSpecifiedBtns = brushComponentSpecifiedBtns.concat(tbs);
		}
	});
	var toolbox = option && option.toolbox;

	if (zrUtil.isArray(toolbox)) {
		toolbox = toolbox[0];
	}

	if (!toolbox) {
		toolbox = {
			feature: {}
		};
		option.toolbox = [toolbox];
	}

	var toolboxFeature = toolbox.feature || (toolbox.feature = {});
	var toolboxBrush = toolboxFeature.brush || (toolboxFeature.brush = {});
	var brushTypes = toolboxBrush.type || (toolboxBrush.type = []);
	brushTypes.push.apply(brushTypes, brushComponentSpecifiedBtns);
	removeDuplicate(brushTypes);

	if (isNew && !brushTypes.length) {
		brushTypes.push.apply(brushTypes, DEFAULT_TOOLBOX_BTNS);
	}
}

function removeDuplicate(arr) {
	var map = {};
	zrUtil.each(arr, function (val) {
		map[val] = 1;
	});
	arr.length = 0;
	zrUtil.each(map, function (flag, val) {
		arr.push(val);
	});
}